As an Amazon Associate I earn from qualifying purchases.Updated: March 27, 2026
The Battery Pack in your Bosch PSB 1800 LI provides the cordless power necessary for operation. Over time, battery capacity naturally degrades, leading to reduced runtime and output. Replacing the Battery Pack every 24 months ensures optimal performance and prevents potential damage from overworking a worn-out battery.
Function: Provides cordless power to the Bosch PSB 1800 LI tool.
Signs it needs replacing: Reduced runtime, slower operation, difficulty holding a charge.
OEM vs aftermarket: OEM (Original Equipment Manufacturer) parts guarantee compatibility and performance but are generally more expensive. Aftermarket options offer cost savings but may vary in quality and lifespan.
Installation: Typically involves removing the old Battery Pack and snapping the new one into place. Refer to your device's manual for specific instructions.
Replacement schedule: every 24 months
Compatibility warning: always verify part number matches your exact model before ordering
Pros & Cons
Pros
✓ Restores device to original performance without buying a new unit
✓ Significantly cheaper than a full device replacement
✓ Multiple options available from OEM and aftermarket sellers
Cons
✗ OEM parts cost more than third-party alternatives
✗ Wrong part number will not fit — model verification is essential
Common Use Cases
Scheduled maintenance on the every 24 months replacement cycle
Performance restoration after noticing reduced output or efficiency
Preventive replacement before a worn part causes secondary damage
Who Should Buy This
This Battery Pack Replacement is ideal for Bosch PSB 1800 LI owners experiencing reduced tool performance due to battery degradation. Extend the life of your power tool and avoid unnecessary replacement costs.
Not ideal for: If your Bosch PSB 1800 LI is beyond repair or outdated, full device replacement might be a more cost-effective solution in the long run.
Good to Know Before Buying
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Always confirm your exact model number (PSB 1800 LI) before ordering. Part numbers vary between model variants and production years. Check the label on your device or original documentation to be sure.
Frequently Asked Questions
What is the part number for the Bosch PSB 1800 LI Battery Pack?
The part number is AQT 37.005. Always verify this matches your exact model (PSB 1800 LI) before ordering, as similar models may use different parts.
How often should I replace the Battery Pack on my Bosch PSB 1800 LI?
every 24 months
Will aftermarket Battery Pack replacements work in my Bosch PSB 1800 LI?
Third-party parts are widely available and often cheaper than OEM. Look for listings that specifically mention compatibility with model PSB 1800 LI and check buyer reviews for fit confirmation before purchasing.
Prices change frequently. See the latest deal on Amazon.